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Finding the Fourth Proportional to 8,322.12, 12,448.98 and 7,592.20

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Solution

The fourth proportional to 8,322.12, 12,448.98 and 7,592.20 is: 11,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.12 : 12,448.98 = 7,592.20 : x
  2. Step 2: Convert to fraction form
    8,322.12/12,448.98 = 7,592.20/x
  3. Step 3: Cross multiply
    8,322.12x = 12,448.98 × 7,592.20
  4. Step 4: Simplify right side
    8,322.12x = 94,515,145.96
  5. Step 5: Solve for x
    x = 94,515,145.96/8,322.12
  6. Step 6: Final answer
    x = 11,357.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.